Superconductivity related to indium-diffused GaAs

Superconductivity in an indium-diffused GaAs system has been investigated by magnetic-field-modulated microwave absorption and ac susceptibility measurements. These show existence of a superconducting phase in some of the samples. Indium was used to solder GaAs on Mo holder or deposit on the surface...

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Bibliographic Details
Published inJournal of applied physics Vol. 71; no. 4; pp. 2018 - 2020
Main Authors LI, Y. K, HUANG, Y, FAN, Z, JIANG, C, MEI, X. B, YIN, B, ZHOU, J. M, MAO, J. C, FU, J. S, WU, E
Format Journal Article
LanguageEnglish
Published Woodbury, NY American Institute of Physics 15.02.1992
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Physics
Properties of type I and type II superconductors
Superconductivity
Wave absorption
Superconducting materials
Gallium Indium Arsenides Mixed
Temperature
Semiconductor materials
Microwave
Experimental study
Superconducting transition
Low temperature
Inorganic compound
Magnetic susceptibility
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Summary:Superconductivity in an indium-diffused GaAs system has been investigated by magnetic-field-modulated microwave absorption and ac susceptibility measurements. These show existence of a superconducting phase in some of the samples. Indium was used to solder GaAs on Mo holder or deposit on the surface of GaAs, following the different heat treatments. This indium-diffused GaAs from surface or back side is most likely the origin of the superconductivity.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.351395